Customer reviews from zerowater.com
ZeroWater - Filters for Water Filter Pitchers (8-Pack) - White
Average customer rating
4.3
(555 Reviews)
Rating breakdown 555 reviews
5 Stars
379
4 Stars
62
3 Stars
46
2 Stars
26
1 Star
42
83%of customers recommend this product.
(
345 out of
417)
Customer Reviews for ZeroWater - Filters for Water Filter Pitchers (8-Pack) - White
Customer Rating
1
Absolute Scam
on January 5, 2026
Posted by: Zero satisfaction
Length of ownership:1 week
The filters last about 7-10 days and then give off a metallic taste, almost like they are designed to fail. In addition, you have to jump through hoops to recycle them.
No, I would not recommend this to a friend.
Response from zerowater.comBy ZeroWater Team, January 7, 2026
We are sorry to hear of your dissatisfaction. Please call our Customer Service Team at 800-503-2939. We will be happy to assist.
Written by a customer while visiting zerowater.com
Customer Rating
1
ZeroWater Filter – Starts Great, Ends Fishy
on July 27, 2025
Posted by: Kabali
Length of ownership:6 months
I’ve now gone through three separate ZeroWater filters, and each time, the pattern has been the same: fresh, clean-tasting water at first, followed by a noticeably fishy or metallic taste after just a couple of weeks of normal use. This isn't a subtle issue – the off-putting flavor makes the water undrinkable.
I double-checked my tap water, storage conditions, and filter usage, and the result was consistent: something in the filter itself appears to degrade or leach after a short period. It’s extremely disappointing for a product that advertises "purity" and positions itself as premium.
This has all the markings of planned obsolescence — filters that degrade prematurely, pushing users to purchase replacements more frequently than seems reasonable. Whether intentional or due to poor quality control, the result is the same: a product that quickly becomes unusable and creates more waste.
What’s worse is that ZeroWater doesn't clearly warn consumers that this could happen or provide transparency about lifespan under real-world conditions. A filter that turns your drinking water fishy after 2-3 weeks? That’s unacceptable — and feels like a disgusting business practice for a product that's supposed to improve health and sustainability.
Verdict: Avoid unless you’re prepared to replace filters constantly — or tolerate water that tastes like a fish tank.
Response from zerowater.comBy ZeroWater Team, August 6, 2025
Thank you for contacting ZeroWater. As the quality of tap water and consumption rates differ greatly for everyone, we use gallons to estimate filter life instead of weeks or months. The higher the TDS reading the shorter the filter life and vice versa.
A change in the taste of the water is indicative of a filter that has been used beyond the point of exhaustion. The ions that are trapped inside the filter will start to leach out due to over saturation of the ion exchange resins, and due to the high TDS concentration, the taste of the water will change. Keep in mind that everything that the filter is filtering is still inside the filter and eventually will start leaching out when the filter goes beyond the capacity. Think about the filter as if it was a garbage container, once it is full, the garbage will start falling out if you keep putting more on top.
In order to avoid a change in the taste of the water, it is important to test your filtered water regularly and to change the filter when the TDS meter reads 006 on filtered water.
A change in the taste of the water is indicative of a filter that has been used beyond the point of exhaustion. The ions that are trapped inside the filter will start to leach out due to over saturation of the ion exchange resins, and due to the high TDS concentration, the taste of the water will change. Keep in mind that everything that the filter is filtering is still inside the filter and eventually will start leaching out when the filter goes beyond the capacity. Think about the filter as if it was a garbage container, once it is full, the garbage will start falling out if you keep putting more on top.
In order to avoid a change in the taste of the water, it is important to test your filtered water regularly and to change the filter when the TDS meter reads 006 on filtered water.
Written by a customer while visiting zerowater.com
Customer Rating
1
Price has doubled and they don’t last
on July 19, 2020
Posted by: Jeffsloft
Length of ownership:1 year or longer
I’m done, the price has doubled for these filters and my last 12 filters lasted a quarter of the usage of the previous 48. Going with a RO system!
No, I would not recommend this to a friend.
Response from zerowater.comBy Josh, ZeroWater Customer Service, July 20, 2020
Sorry to hear of your dissatisfaction. In an effort to keep up with the demand caused by the pandemic we are limiting the size of the filter packs available, currently offering only the 2, 3, and 4 packs of filters. We hope to have the larger filter packs available in the near future. We apologize for the inconvenience and appreciate you taking the time to make your concerns known.
Written by a customer while visiting zerowater.com
Posted by: Cecilia202
Length of ownership:1 year or longer
Verified Purchase:Yes
The quality of the filters has eroded. I used to be able to replace a filter with ease. Now, it is extremely difficult to get a tight seal. Water leaks around the seal, which defeats the purpose. I am very disappointed that changing the filter causes me to strain myself and waste a lot of water before a satisfactory seal is made. Sorry I purchased so many filters.
No, I would not recommend this to a friend.
Response from zerowater.comBy ZeroWater Team, April 4, 2023
We apologize for the recent difficulty with the filters, we are making adjustments for the O-Ring on the filters in the very near future to address this issue. If you have a filter that is giving to much trouble just give us a call and we will replace it for you right away. 1-800-503-2939
Written by a customer while visiting zerowater.com
Customer Rating
5
I crave water now when i hated it before
on January 9, 2020
Posted by: Ambara81
Length of ownership:1 year or longer
I've used zero water for a few years now. I love the taste of the water. I never cared for water before. I drank soda and milk and had trouble forcing myself to hydrate with water. I crave water now from my filter. It is the only liquid refreshment I want. I smell the chemicals in tap water and bottled water has a tainted flavor. I cannot express how much i love these filters. I live check to check and the filters are expensive for me. I sometimes stretch the filters out but they are absolutely worth the money i pay for them. I tell everyone about Zero Water.
I would recommend this to a friend!
Written by a customer while visiting zerowater.com
Customer Rating
1
Why your filters sometimes do not work?
on March 3, 2020
Posted by: Eliza
Length of ownership:1 year or longer
I recently bought a pack and both filters showed high number on the first use. Other filters make the water taste sour after one or two uses. I have normal municipal water and am trying to reduce chlorine aftertaste. So something is wrong. They do not filter as advertised.
No, I would not recommend this to a friend.
Response from zerowater.comBy ZeroWater Customer Service, ZeroWater Customer Service, March 3, 2020
Thank you for taking the time to post your review. We are sorry to hear of your dissatisfaction. Please contact our Customer Service team at 800-503-2939, option 2. We would like the opportunity to find out more information about your experience.
Written by a customer while visiting zerowater.com
Customer Rating
5
Won’t use anything else!
on March 28, 2020
Posted by: Sharmort27
Length of ownership:1 year or longer
We have used zero water for almost 15 years and won’t use anything else. There is a huge difference between this and others. We love zero water.
I would recommend this to a friend!
Written by a customer while visiting zerowater.com
Posted by: Anonymous
Length of ownership:1 year or longer
Verified Purchase:Yes
I love these filters. I have to change the filter about once a month. Have been using for several years and will never stop.
I would recommend this to a friend!
Written by a customer while visiting zerowater.com